All Evolution Trivia Questions

25 Questions | Total Attempts: 455

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Evolution Quizzes & Trivia

Let’s take this quiz and find out how much you really know about science evolution!


Questions and Answers
  • 1. 
    Two species of wild lettuce grow in the same areas, but one flowers in early spring and the other flowers in summer. This is an example of a: 
    • A. 

      Temporal isolating mechanism

    • B. 

      Geographical isolating mechanism

    • C. 

      Behavioral isolating mechanism

    • D. 

      Mechanical isolating mechanism

    • E. 

      Postzygotic isolating mechanism

  • 2. 
    The sperm of species A dies when it comes in contact with the female reproductive tract of species B. This is an example of:
    • A. 

      A prezygotic isolating mechanism

    • B. 

      A postzygotic isolating mechanism

    • C. 

      Gradualism

    • D. 

      Polyploidy

    • E. 

      Sexual selection

  • 3. 
    Which of these isolating mechanisms occurs at the pre-mating stage?
    • A. 

      Geographic isolation

    • B. 

      Gametic incompatibility

    • C. 

      Hybrid disadvantage

    • D. 

      Hybrid sterility

  • 4. 
    Which of the following statements is NOT true about natural selection?
    • A. 

      Natural selection directs the course of evolution by preserving traits acquired during an individual’s lifetime

    • B. 

      The offspring of individuals that are better adapted to the environment will make up a larger proportion of the next generation

    • C. 

      Natural selection depends on the genetic variability in a population, which in turn arises through mutations

    • D. 

      Natural selection acts to preserve favourable traits and eliminate unfavourable traits

    • E. 

      Natural selection leads to adaptive evolutionary change

  • 5. 
    Random evolutionary changes in a small breeding population is known as:
    • A. 

      Gene flow

    • B. 

      Genetic drift

    • C. 

      Disruptive selection

    • D. 

      Natural selection

    • E. 

      Mutation

  • 6. 
    Seriously abnormal phenotypes or harmful mutations are acted against or reduced to low frequencies by:
    • A. 

      Beneficial mutations

    • B. 

      Gene flow

    • C. 

      Disruptive selection

    • D. 

      Genetic drift

    • E. 

      Natural selection

  • 7. 
    The migration of breeding individuals between populations causes a corresponding movement of alleles, which is referred to as:
    • A. 

      Genetic drift

    • B. 

      Directional selection

    • C. 

      Natural selection

    • D. 

      Gene flow

    • E. 

      Mutation

  • 8. 
    Because of fluctuations in the environment a population may periodically experience a rapid decrease in the number of individuals. When this occurs, genetic drift can occur in the few remaining survivors, a process referred to as:
    • A. 

      The founder effect

    • B. 

      Migration

    • C. 

      A genetic bottleneck

    • D. 

      Gene flow

    • E. 

      Natural selection

  • 9. 
    The process that decreases the number of organisms with phenotypes less fit to meet environmental challenges is: 
    • A. 

      Natural selection

    • B. 

      Genetic drift

    • C. 

      Gene flow

    • D. 

      Genetic polymorphism

    • E. 

      Migration

  • 10. 
    When phenotypes are favoured at one extreme of a normal distribution,                 selection occurs:
    • A. 

      Stabilizing

    • B. 

      Directional

    • C. 

      Disruptive

    • D. 

      Frequency dependent

    • E. 

      Abnormal

  • 11. 
    Frequency dependent selection acts to decrease the frequency of which phenotype in a population?
    • A. 

      The least common phenotypes

    • B. 

      The average phenotype

    • C. 

      The most conspicuous phenotypes

    • D. 

      The most common phenotype

    • E. 

      The most camouflaged phenotype

  • 12. 
    In                selection, individuals  with a phenotype near the mean are favoured over those with phenotypic extremes
    • A. 

      Directional

    • B. 

      Disruptive

    • C. 

      Stabilizing

    • D. 

      Frequency-dependent

    • E. 

      Natural

  • 13. 
    Human birth weight is a good example of:
    • A. 

      Genetic drift

    • B. 

      The founder effect

    • C. 

      Directional selection

    • D. 

      Disruptive selection

    • E. 

      Stabilizing selection

  • 14. 
    The prevention of genetic exchange between two species because they reproduce at different times of the day, season or year is called:
    • A. 

      Hybrid sterility

    • B. 

      Genetic isolation

    • C. 

      Sexual isolation

    • D. 

      Mechanical isolation

    • E. 

      Temporal isolation

  • 15. 
    The distinctive mating signals that have evolved as part of animals courtship illustrates what type of reproductive isolating mechanism?
    • A. 

      Behavioral isolation

    • B. 

      Mechanical isolation

    • C. 

      Gametic isolation

    • D. 

      Temporal isolation

    • E. 

      Hybrid breakdown

  • 16. 
    When the reproductive cells of different species are incompatible, it is referred to as: 
    • A. 

      Behavioral isolation

    • B. 

      Gametic isolation

    • C. 

      Hybrid isolation

    • D. 

      Temporal isolation

    • E. 

      Hybrid sterility

  • 17. 
    The geographic isolation of Kaibab squirrels from Albert squirrels appears to be leading to: 
    • A. 

      Sympatric speciation

    • B. 

      Hybridization

    • C. 

      Allopolypoidy

    • D. 

      Allopatric speciation

    • E. 

      Adaptive radiation

  • 18. 
    If two species are able to interbreed but produced sterile hybrids, their species integrity is maintained by:
    • A. 

      Gametic isolation

    • B. 

      A prezygotic barrier

    • C. 

      Hybrid inviability

    • D. 

      A postzygotic barrier

  • 19. 
    Cattle breeders have improved the quality of meat over the years by which process? 
    • A. 

      Artificial selection

    • B. 

      Directional selection

    • C. 

      Stabilizing selection

    • D. 

      Artificial and directional selection only

    • E. 

      Artificial, directional and stabilizing selection

  • 20. 
    Which of the following is NOT considered a reproductive isolating mechanism?
    • A. 

      Sterile offspring

    • B. 

      Ecological isolation

    • C. 

      Feeding behaviour

    • D. 

      Gametic incompatibility

    • E. 

      Timing of courtship display

  • 21. 
    Which of the following reproductive isolating mechanisms is postzygotic?
    • A. 

      Habitat isolation

    • B. 

      Temporal isolation

    • C. 

      Hybrid sterility

    • D. 

      Behavioural isolation

    • E. 

      Gamete incompatibility

  • 22. 
    Although different species of warblers often migrate together and use the same habitats for mating and feeding, they rarely hybridize. The isolating mechanism, most likely to be operating is:
    • A. 

      Ecological isolation

    • B. 

      Temporal isolation

    • C. 

      Behavioural isolation

    • D. 

      Mechanical isolation

    • E. 

      Gametic isolation

  • 23. 
    Some species of Anopheles mosquito live in brackish water, some in running freshwater, and others in stagnant water. What type of reproductive barrier is most obviously separating these different species?
    • A. 

      Ecological isolation

    • B. 

      Temporal isolation

    • C. 

      Behavioural isolation

    • D. 

      Gametic isolation

    • E. 

      Postzygotic isolation

  • 24. 
    The reproductive barrier that maintains the species boundary between horses and donkeys is: 
    • A. 

      Mechanical isolation

    • B. 

      Gametic isolation

    • C. 

      Hybrid in-viability

    • D. 

      Hybrid sterility

    • E. 

      Hybrid breakdown

  • 25. 
    Review the image and answer the following question.The tendency for human infants to weigh 7 lbs at birth is an example of what kind of selection?
    • A. 

      Disruptive selection

    • B. 

      Stabilizing selection

    • C. 

      Directional selection

    • D. 

      None of these is correct.

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